Home / 121,788,540.05-182,838,699.42-104,626,538.69

Finding the Fourth Proportional to 121,788,540.05, 182,838,699.42 and 104,626,538.69

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Solution

The fourth proportional to 121,788,540.05, 182,838,699.42 and 104,626,538.69 is: 157,073,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,788,540.05 : 182,838,699.42 = 104,626,538.69 : x
  2. Step 2: Convert to fraction form
    121,788,540.05/182,838,699.42 = 104,626,538.69/x
  3. Step 3: Cross multiply
    121,788,540.05x = 182,838,699.42 × 104,626,538.69
  4. Step 4: Simplify right side
    121,788,540.05x = 19,129,780,257,981,716
  5. Step 5: Solve for x
    x = 19,129,780,257,981,716/121,788,540.05
  6. Step 6: Final answer
    x = 157,073,730.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.